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-rw-r--r--lib/observer/src/observer_sys.erl131
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diff --git a/lib/observer/src/observer_sys.erl b/lib/observer/src/observer_sys.erl
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-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2011. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-
--module(observer_sys).
-
--export([node_info/0, node_name_str/1, no_procs_str/1, no_cpu_str/1,
- no_cpu_available_str/1, no_cpu_online_str/1, tot_alloc_str/1,
- proc_used_str/1, proc_alloc_str/1, atom_used_str/1, atom_alloc_str/1,
- binary_alloc_str/1, code_alloc_str/1, ets_alloc_str/1]).
-
--record(node_info, {node_name,
- no_procs, % number of processes
- no_cpu, % number of logical cpu's
- no_cpu_available, %number of logical cpu's available
- no_cpu_online, % number of logical cpu's online
- tot_alloc, % total memory allocated
- proc_used, % memory used by processes
- proc_alloc, % memory alloc by processes,
- atom_used, % memory used by atoms
- atom_alloc, % memory allocated by atoms
- binary_alloc, % memory allocated for binaries
- code_alloc, % memory allocated by code
- ets_alloc}).% memory allocated by ets
-
-
-%%%%%%%%%%%%%%%%%%%%%%% functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-node_info() ->
- #node_info{node_name = node_name(),
- no_procs = process_count(),
- no_cpu = logical_cpus(),
- no_cpu_available = logical_cpus_available(),
- no_cpu_online = logical_cpus_online(),
- tot_alloc = total_alloc(),
- proc_used = processes_used(),
- proc_alloc = processes_alloc(),
- atom_used = atom_used(),
- atom_alloc = atom_alloc(),
- binary_alloc = binary_alloc(),
- code_alloc = code_alloc(),
- ets_alloc = ets_alloc()
- }.
-
-node_name() ->
- node().
-
-process_count() ->
- erlang:system_info(process_count).
-
-logical_cpus() ->
- erlang:system_info(logical_processors). % detected number of logical cpus configured on system
-
-logical_cpus_available() -> % detected number of logical cpus available to erlang runtime system
- erlang:system_info(logical_processors_available).
-
-logical_cpus_online() -> % detected number of logical cpus online on system
- erlang:system_info(logical_processors_online).
-
-total_alloc() ->
- erlang:memory(total). % total amount of memory currently allocated
-
-processes_used() -> % amount of memory currently used by the erlang processes
- erlang:memory(processes_used).
-
-processes_alloc() -> % allocated by erlang processes
- erlang:memory(processes).
-
-atom_used() -> % amount of memory used for atoms
- erlang:memory(atom_used).
-
-atom_alloc() -> % amount allocated for atoms
- erlang:memory(atom).
-
-binary_alloc() -> % amount allocated for binaries
- erlang:memory(binary).
-
-code_alloc() -> % amount allocated for code
- erlang:memory(code).
-
-ets_alloc() -> % amount allocated for ets tables
- erlang:memory(ets).
-
-
-%% formatting functions, from the record-value to string
-node_name_str(#node_info{node_name = ToReturn}) ->
- erlang:atom_to_list(ToReturn).
-no_procs_str(#node_info{no_procs = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-no_cpu_str(#node_info{no_cpu = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-no_cpu_available_str(#node_info{no_cpu_available = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-no_cpu_online_str(#node_info{no_cpu_online = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-tot_alloc_str(#node_info{tot_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-proc_used_str(#node_info{proc_used = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-proc_alloc_str(#node_info{proc_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-atom_used_str(#node_info{atom_used = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-atom_alloc_str(#node_info{atom_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-binary_alloc_str(#node_info{binary_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-code_alloc_str(#node_info{code_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).
-
-ets_alloc_str(#node_info{ets_alloc = ToReturn}) ->
- erlang:integer_to_list(ToReturn).